NVIDIA GeForce GT 640M LE technical specs and benchmarks
NVIDIA started GeForce GT 640M LE sales 4 May 2012 at a recommended price of 849.99 USD. This is a Fermi architecture notebook card based on 40 nm manufacturing process and primarily aimed at office use. 2 GB of DDR3\DDR5 memory clocked at 3.14 GHz are supplied, and together with 128bit memory interface this creates a bandwidth of Up to 28.8 GB/s.
Compatibility-wise, this is card attached via PCIe 2.0 x16 interface. Its power consumption is at 32 Watt.
It provides poor gaming and benchmark performance at 3.72 percent of a leader's which is AMD Radeon R9 390 X2.